b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd

Analysis

max time kernel
144s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2023, 09:37

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General

Target

b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe
Size

277KB
MD5

040ebae08252e7d0e6044a1c44bde319
SHA1

694bf004353e1c4621cd34e7015c2f3631aeee58
SHA256

b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd
SHA512

cf2c63bbb880dd7c62e29bfc7952b9f9618487871695e4bc8fa6588a54515740b597afadb2a1d21fff74596b3ebbf413a6bebea0c63ffcaee460b209ead3891c
SSDEEP

3072:LNXEGZJWhfNFC4S60+XoLczrVmXCrXPIX7te5nClJkbZ+Y+x+tfnEafTXJH01ne7:RXzKdNY49u8rV1TnlEkKInEafF01netd

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe

Executes dropped EXE 2 IoCs

pid	Process
2432	ITS SB App Switch.exe
2912	ITS SB App Switch.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1856-133-0x0000000000480000-0x0000000000520000-memory.dmp	upx
behavioral1/memory/1856-147-0x0000000000480000-0x0000000000520000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe
1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe
1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe
1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2432	1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe	84
PID 1856 wrote to memory of 2432	1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe	84
PID 1856 wrote to memory of 2432	1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe	84
PID 1856 wrote to memory of 2912	1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe	85
PID 1856 wrote to memory of 2912	1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe	85
PID 1856 wrote to memory of 2912	1856	b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe	85

C:\Users\Admin\AppData\Local\Temp\b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe
"C:\Users\Admin\AppData\Local\Temp\b3ed4efbda6b28a09177b034a5f00cdc82256bb3dfd43695f4cda45d4f4ca7bd.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:2432
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:2912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/1856-133-0x0000000000480000-0x0000000000520000-memory.dmp

Filesize
640KB

Download
memory/1856-147-0x0000000000480000-0x0000000000520000-memory.dmp

Filesize
640KB

Download